摘要
述及可用于城市或工业污水取样的价格低廉的Ｓ－７００自动水质取样器。该种Ｓ－７００可提式取样器用聚乙烯塑料制成并持有微孔排气罩的专利，以维持精确取佯。与其它市售取样器相比，其连续取样功能是独一无二的。
In this retort, it is showed that the economical S-790 automatic wastewater samplers are available in municipality. or industry. The S-700 pocketable samplers were made of polyethylene plastic with patent of a microporousexhausting CAP to provide accurate sample The function of continued sampling is unique, competing with. other ordinary samplers in the market.
出处
《石油化工环境保护》
1995年第1期8-11,60,共5页
Environment Protection in Petrochemical Industry
